Finding the Fourth Proportional to 1,264.24, 1,744.59 and 704.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.24 : 1,744.59 = 704.77 : x
2. Step 2: Convert to fraction form
   1,264.24/1,744.59 = 704.77/x
3. Step 3: Cross multiply
   1,264.24x = 1,744.59 × 704.77
4. Step 4: Simplify right side
   1,264.24x = 1,229,530.33
5. Step 5: Solve for x
   x = 1,229,530.33/1,264.24
6. Step 6: Final answer
   x = 972.55